[1] Univ Oklahoma, Hlth Sci Ctr, Dept Cell Biol, Oklahoma City, OK 73104 USA
[2] Univ Virginia, Dept Biochem & Mol Genet, Charlottesville, VA 22908 USA
[3] Iconix Pharmaceut Inc, Mt View, CA 94043 USA
[4] Univ Virginia, Dept Cell Biol, Charlottesville, VA 22908 USA
[5] Karolinska Inst, Med Nobel Inst, Dept Cell & Mol Biol, S-17177 Stockholm, Sweden
[6] Karolinska Inst, Ctr Genom Res, S-17177 Stockholm, Sweden
[7] Univ British Columbia, Ctr Mol Med & Therapeut, Vancouver, BC V5Z 4H4, Canada